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Can I take Calcium and Ciprofloxacin together?

Guía de interacción de medicamentos

Taking calcium at the same time as ciprofloxacin can significantly reduce the amount of the antibiotic that gets into your bloodstream. This means the medicine may not work properly to clear your infection.

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Por qué sucede esto

Calcium binds to the ciprofloxacin in your stomach or gut, forming a 'complex' that is too large for your body to absorb. Instead of entering your blood, the medicine simply passes through your system.

Do not take calcium supplements, antacids containing calcium, or large amounts of dairy products at the same time as ciprofloxacin. You should take ciprofloxacin at least 2 hours before or 6 hours after taking any calcium-containing products.

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Drug interaction (spacing)

Do not take calcium supplements at the same time as ciprofloxacin. Calcium can stop ciprofloxacin from being absorbed properly. Take ciprofloxacin at least 2 hours before or 6 hours after any calcium-containing products.

Tendon damage

Stop taking ciprofloxacin and seek immediate medical help if you experience any pain, swelling, or inflammation in your tendons (such as the ankle or calf), as this medicine increases the risk of tendon rupture.

Sun sensitivity

Ciprofloxacin makes your skin much more sensitive to sunlight. Avoid bright sunlight and do not use sunbeds, as you may burn very severely.

Dairy products (milk, cheese, yoghurt) and calcium-fortified juices

Do not take ciprofloxacin at the same time as dairy products or calcium-fortified drinks. These can significantly reduce the amount of medicine absorbed by your body, making it less effective. You should take ciprofloxacin at least 2 hours before or 6 hours after consuming these items. (Note: It is fine to eat these as part of a main meal, but avoid them as a standalone snack or drink when taking your dose).

Caffeine (coffee, tea, cola, energy drinks)

Ciprofloxacin can stop your body from breaking down caffeine. This can lead to a build-up of caffeine in your system, making you feel shaky, anxious, or causing a racing heart and insomnia. It is best to limit your caffeine intake while taking this antibiotic.

Multivitamins and minerals (Iron, Magnesium, Zinc, Aluminium)

Supplements or fortified foods containing these minerals can stop these antibiotics from working. Take your medicine at least 2 hours before or 4-6 hours after any supplements or antacids.

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Descargo de responsabilidad

Esta información es solo para fines educativos generales y no debe considerarse como un sustituto del consejo médico profesional. Siempre consulte a su médico de cabecera, farmacéutico u otro profesional de la salud calificado antes de tomar decisiones sobre sus medicamentos. Las circunstancias individuales pueden variar, y solo un profesional de la salud que conozca su historial médico puede proporcionar orientación personalizada.

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Historial del artículo

La información en esta página está escrita y revisada por pares por clínicos calificados.

  • 25 Ene 2026 | Publicado originalmente
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